package com.school.cloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

/**
 * 功能描述：
 *
 * @Package: com.school.cloud.service
 * @author: Marvin-zl
 * @date: 2022/5/11 16:13
 */
@Service
public class PaymentService {
    public String paymentInfo_OK(Integer id) {
        return "线程池:" + Thread.currentThread().getName() + "paymentInfo_OK,id: " + id + "\t" + "O(∩_∩)O";
    }

    @HystrixCommand(fallbackMethod = "paymentInfo_TimeOutHandler",
            commandProperties = {@HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds",value="10000")})
    public String paymentInfo_TimeOut(Integer id) {
        int timeOut = 1;
        try {
            TimeUnit.SECONDS.sleep(timeOut);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "线程池:" + Thread.currentThread().getName() + "paymentInfo_TimeOut,id: " + id + "\t" + "O(∩_∩)O，耗费3秒";
    }

    public String paymentInfo_TimeOutHandler(Integer id){
        return "/(ㄒoㄒ)/调用支付接口超时或异常：\t"+ "\t当前线程池名字" + Thread.currentThread().getName();
    }
//    ********************************服务熔断******************************

    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback", commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled", value = "true"),
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold", value = "10"),
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds", value = "10000"),
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage", value = "60"),
    })
    public String paymentCircuitBreaker(@PathVariable("id") Integer id) {
        if (id < 0) {
            throw new RuntimeException("******id 不能负数");
        }
        String serialNumber = IdUtil.simpleUUID();

        return Thread.currentThread().getName() + "\t" + "调用成功，流水号: " + serialNumber;
    }

    public String paymentCircuitBreaker_fallback(@PathVariable("id") Integer id) {
        return "id 不能负数，请稍后再试，/(ㄒoㄒ)/~~   id: " + id;
    }
}
